If you're at high risk of certain eye diseases, such as glaucoma, get an eye exam every two to four years up to age 40, then every one to three years between 40 and 54, and finally every one to two years at age 55 and older.

CNN: Nearsightedness

When I was governor of Massachusetts, to get a high school degree you had to pass an exam.

WHITEHOUSE: The White House

The school has been calling and emailing the 28-year-old electrician's apprentice to get her to return and complete her final assignment: an exit exam.

WSJ: Colleges track former students to boost degrees

Because most of their patients live fairly close by, it's generally not a problem to do a home exam and get back to the office in the hour that is scheduled for an appointment.

CNN: 'Ideal' doctors stress quality of over quantity